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1 | |
Which of the following could indicate that someone like Christopher Reeve had not totally severed his spinal cord? |
| | A) | He regained consciousness at the scene of the accident. |
| | B) | He was resuscitated without difficulty. |
| | C) | He was able to speak after regaining consciousness. |
| | D) | He regained movement in a few muscles in his chest. |
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2 | |
The supportive tissue of the nervous system is (are) |
| | A) | nerve fiber |
| | B) | myelin |
| | C) | glial cells |
| | D) | nerve processes |
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3 | |
The division of the nervous system that connects body parts with the central nervous system is the |
| | A) | autonomic nervous system |
| | B) | peripheral nervous system |
| | C) | somatic system |
| | D) | special sense system |
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4 | |
The nervous system function that makes conscious decisions possible is the |
| | A) | sensory function |
| | B) | integrative function |
| | C) | motor function |
| | D) | none of the above |
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5 | |
The neurolemma is composed of |
| | A) | Nissl bodies |
| | B) | myelin |
| | C) | the membrane of Schwann cells |
| | D) | neuron cell bodies |
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6 | |
All of the following are structural classifications of neurons except |
| | A) | interneurons |
| | B) | unipolar neurons |
| | C) | multipolar neurons |
| | D) | bipolar neurons |
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7 | |
Movement of sodium and potassium ions across the cell membrane is dependent on |
| | A) | the concentration gradient of the electrolyte |
| | B) | changes in electrical charge |
| | C) | both |
| | D) | neither |
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8 | |
Which of these is true regarding the strength of an action potential? |
| | A) | all-or-none followed |
| | B) | dependent upon the intensity of the stimulus |
| | C) | increased as the intensity of the stimulus increases |
| | D) | dependent on the type and amount of neurotransmitter involved |
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9 | |
Transmission of impulses across a synapse is made possible by |
| | A) | facilitated transport |
| | B) | saltatory conduction |
| | C) | neurotransmitters |
| | D) | an ATP dependent pump |
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10 | |
Which of the following neurotransmitters is usually excitatory? |
| | A) | dopamine |
| | B) | GABA |
| | C) | glycine |
| | D) | acetylcholine |
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11 | |
Impulses from various sources have an additive effect on a neuronin the process of |
| | A) | facilitation |
| | B) | divergence |
| | C) | convergence |
| | D) | autonomic switching |
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12 | |
The function of withdrawal reflexes is to |
| | A) | maintain posture |
| | B) | limit potential damage |
| | C) | both |
| | D) | neither |
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13 | |
The organs of the Central Nervous System are the |
| | A) | brain and cranial nerves |
| | B) | brain and meninges |
| | C) | brain and spinal nerves |
| | D) | brain and spinal cord |
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14 | |
The outer membrane covering the brain is composed of fibrous connective tissues and is called the |
| | A) | dura mater |
| | B) | arachnoid mater |
| | C) | pia mater |
| | D) | periosteum |
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15 | |
Cerebrospinal fluid mainly is found between the |
| | A) | arachnoid mater and the dura mater |
| | B) | dura mater and the bones of the skull |
| | C) | pia mater and arachnoid mater |
| | D) | the vertebrae and the meninges |
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16 | |
The spinal cord in the adult, ends |
| | A) | at the sacrum |
| | B) | between the thoracic vertebrae 11 and 12 |
| | C) | between lumbar vertebrae 1 and 2 |
| | D) | at lumbar vertebra 5 |
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17 | |
The nerve fibers of both ascending and descending tracts contain |
| | A) | axons |
| | B) | dendrites |
| | C) | both axons and dendrites |
| | D) | cell bodies of neurons |
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18 | |
The hemispheres of the cerebrum are connected by fibers called the |
| | A) | corpus callosum |
| | B) | falx cerebri |
| | C) | tissue of Rolando |
| | D) | tentorium |
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19 | |
The main portions of the brain, or basic regions, are |
| | A) | the cerebrum and diencephalon |
| | B) | cerebrum, brain stem, and diencephalon |
| | C) | cerebellum and brain stem |
| | D) | cerebrum, cerebellum, and brain stem |
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20 | |
The motor speech area or Broca's area is located |
| | A) | anterior to the transverse sulcus |
| | B) | anterior to the primary motor area |
| | C) | in the tentorium |
| | D) | in the diencephalon |
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21 | |
The pathologic movements of Parkinson's disease and Huntington'schorea is due to damage in the |
| | A) | extrapyramidal tracts |
| | B) | primary motor area |
| | C) | basal ganglia |
| | D) | midbrain |
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22 | |
Cerebrospinal fluid is produced by the |
| | A) | fourth ventricle |
| | B) | cerebral aqueduct |
| | C) | pia mater |
| | D) | choroid plexuses |
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23 | |
The diencephalon contains all of the following structures except |
| | A) | pons |
| | B) | thalamus |
| | C) | optic chiasma |
| | D) | pineal gland |
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24 | |
The part of the brain stem through which all spinal cord fibers must pass is the |
| | A) | hindbrain |
| | B) | midbrain |
| | C) | medulla oblongata |
| | D) | pons |
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25 | |
The part of the brain responsible for regulation of sleep and wakefulness is the |
| | A) | reticular formation |
| | B) | diencephalon |
| | C) | hypothalamus |
| | D) | limbic system |
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26 | |
The lobes of the cerebellum are connected by the |
| | A) | vermis |
| | B) | falx cerebelli |
| | C) | cerebellar cortex |
| | D) | cerebellar peduncles |
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27 | |
The cranial nerves that control movement of the eyes are |
| | A) | nerves 1-5 |
| | B) | nerves 3, 4, and 6 |
| | C) | nerves 2-6 |
| | D) | nerves 5 and 7 |
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28 | |
The cranial nerve responsible for equilibrium and hearing is the |
| | A) | vestibulocochlear |
| | B) | abducens |
| | C) | facial |
| | D) | trigeminal |
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29 | |
The main cranial nerve that innervates structures below the neck is the |
| | A) | hypoglossal |
| | B) | spinal accessory |
| | C) | olfactory |
| | D) | vagus |
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30 | |
The part of the nervous system that is most active when the body is at rest is |
| | A) | the reticular formation |
| | B) | parasympathetic system |
| | C) | somatic division |
| | D) | sympathetic system |
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31 | |
An intact nervous system is a fundamental requirement for thought, sensation, memory, movement, and awareness of the world. |
| | A) | True |
| | B) | False |
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32 | |
The sensory function of the nervous system is carried out by efferent fibers. |
| | A) | True |
| | B) | False |
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33 | |
The dendrite arises from a hillock or elevation of the cell body and carries impulses away from the cell body. |
| | A) | True |
| | B) | False |
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34 | |
Myelinated fibers form the white matter in the central nervous system. |
| | A) | True |
| | B) | False |
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35 | |
A neuron may have many dendrites but only one axon. |
| | A) | True |
| | B) | False |
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36 | |
Neurons that are deprived of oxygen can be irreversibly damaged. |
| | A) | True |
| | B) | False |
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37 | |
Neurons are the most abundant cells in the nervous system. |
| | A) | True |
| | B) | False |
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38 | |
All myelinated fibers in an infant's nervous system must have developed sheaths by the time an infant starts to walk. |
| | A) | True |
| | B) | False |
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39 | |
Sodium ions pass more easily through the cell membrane than potassium ions. |
| | A) | True |
| | B) | False |
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40 | |
The amount of change in the resting potential of a cell membrane is proportional to the intensity of the stimulus. |
| | A) | True |
| | B) | False |
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41 | |
The speed of nerve impulse conduction increases as the diameter of the nerve fiber increases. |
| | A) | True |
| | B) | False |
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2003 McGraw-Hill Higher Education